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rads

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  1. E

    Rads warming up when only HW on????

    Hi, first post so be nice please ;) I have recently had a Worcester 30cdi fitted with a 300l Joule cylinder. We have a Salus internet thermostat fitted and all seems to be working well. With the exception that a couple of the downstairs rads get warm when the hot water is on. The heating has...
  2. jaydebruyne

    Vertical rads

    I've never fitted a vertical rad yet but will be doing so on Saturday. . I've done a little research and know it's important to pipe up the flow on the correct side of the rad so it flows through the entire rad and not just the outside. My question is this: Say the flow is on the left, can...
  3. Riley

    Cast-iron rads

    Been installing four reclaimed cast-iron radiators for a customer. To say they've been a nightmare is a bit of an understatement. Couldn't shift any of the old configurations pipework and caps so I have been forced to drill and tap them so that I can set them up with the flow and return...
  4. G

    Rads heating when running hot tap- twin pass heat exchanger.

    Trying get my head around this one. Worcester 28i RSF (twin pass heat exchanger) is heating rads when running hot tap. Other Engineers have just told customer to turn down TRV's. Not a fix for the problem as bypass rad still heats. Any ideas? Check valves on flow and return bellow boiler maybe?
  5. R

    Using combine with no rads

    Hi Can anyone tell me if its ok to connect the flow and return on a combie without any rads in the loop if so can I run it without a gas supply to the boiler as I would like to check for leaks on the work that I have done so far as some of the pipe work runs in a cavity wall that I need to...
  6. U

    Rads

    Hi I'm commission a flat with a hiu and I turn on all rads to get a reading but half the rads are cold what should I do next?
  7. B

    Any logic to hosing rads out before a powerflush?!

    In passing, it was mentioned that when the system's drained down, it would benefit it if I took the rads off and sort of jiggle them round and run a garden hose to help clear them through before a flush was done but, and unless I'm not understanding how a flush works, shouldn't the chemicals and...
  8. B

    Quick one; Delonghi rads... any good??

    Looking at changing a few rads when I get a new boiler, any impressions on whether Delonghi are generally any cop as I've seen a few that seem pretty reasonably priced compared to others? Looking at the two below, any comments greatly received: Delonghi Dolce Vita White Curved Designer Towel...
  9. A

    Replacing rads in bathrooms with towel rails

    Hi all, One of my friends has a 3yr old house with normal rads in the bathrooms & cloakroom which she would like to replace with towel rads. It was built by Taylor Wimpey and the plasterboard walls are paper thin (9.5mm board I think or similar) so not the best. She has the normal 10mm...
  10. L

    8mm microbore and new rads

    Hi all, Soon I plan to start replacing some radiators and they are currently all connected on an 8mm microbore system where both pipes go in the same end/valve. I'm pretty sure that these valves are hard to get now, so it makes sense to change them before one of them breaks? What would you...
  11. F

    Rads/hot water keeps going off??

    Hi, I wonder if anyone can help me with a problem I have had for the last month or so. I have an oil (Kero) central heating system which keeps going cold for both hot water and radiators. I have a mid position valve, 3 speed pump and a vertical tube with vent on the end at the back of...
    • Freezing2
    • Thread
    • hot water rads water
    • Replies: 12
    • Forum: Bathroom Advice
  12. K

    Rads fed with manifold

    Hello, I am thinking of feeding all rads on the ground floor through manifold and parallel connection. - Manifold will get supply from 22mm pipes - Hep2O/Speedfit 15mm pipes from manifold will run in continuous length (under the screeded floor) to each radiator - Return 15mm pipe from each rad...
  13. G

    Aeroflow Elec rads vs Combi

    Hi guys, went to look at a property to buy last night that had Aeroflow electric radiators and an electric heated water cylinder. The rads system was pretty new and had all the bells and whistles remote stats and remote programmer etc. Just wondered how efficient they were to run in comparison...
  14. G

    UFH and Rads for Holiday Let

    Hello, I have just bought a Holiday Let property, there are some functions which are desirable for the remote control of a heating system which I am not sure are possible with the systems I have looked at. I would be grateful for feedback on the following questions before I decide which...
  15. A

    Downstairs rads on own loop?? Not draining out with others,

    Hi Guys and Gals, I need your wisdom again if you could be so kind! I'm doing a bit of work on upstairs rad so draining down my combi boiler system. I picked a downstairs rad that was closest to the door, connected hose, opened valve, went upstairs opened nipples etc. All went well draining...
  16. K

    No flow through rads - Help!

    Bad day today, please help! I've been to a job on a vented heating system with no heat (poor flow) in downstairs rads, well all over really. I bled a little air from manual vent, checked the 3-port was motoring, roughly balanced lockshields and checked pump was spinning. no luck I isolated...
  17. U

    No flow through rads

    Bad day today. I've been to a job on a vented heating system with no heat (poor flow) in downstairs rads, well all over really. I bled a little air from manual vent, checked the 3-port was motoring, roughly balanced lockshields and checked pump was spinning. no luck I isolated all but one...
  18. M

    Worcester Bosch Greenstar 24i return pipe cold, downstairs rads cold

    Hi everyone, Had a bit of a nightmare with a Worcester Bosch Greenstar 24i system boiler, problem as follows: Upstairs rads getting hot, downstairs rads still cold, return pipe into boiler also cold. We've had a power flush, new fan in boiler, new pump, still the same problem. The first rad...
  19. Savva

    Vaillant thermocompact 615e- no heat to rads, please help!!!!

    I was called to the property having been told the boiler was leaking. The system had no pressure in it but surprisingly the heating WAS working. The leak was the AAV which was an easy fix, pressurised the system which flew straight out the prv so removed boiler and changed the exp ves. Put it...
  20. K

    TRV's on bypass rads

    Hello all I have a bypass in my house which feeds two bathrooms, I've lived here 10 years and only recently realised these were on the bypass. I've always turned them off in the summer using the isolating valve fitted (not trv) as it would get too hot in the bathrooms. I'd like to fit TRV's...
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